A single explosion model for the supernova remnant 3C 400.2

Details A single explosion model for the supernova remnant 3C 400.2 A single explosion model for the supernova remnant 3C 400.2

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...377.1136v&link_type=abstract

Astronomy and Astrophysics, v.377, p.1136-1144 (2001)

Astronomy and Astrophysics

Astrophysics

13

Scientific paper

We present a numerical simulation carried out in order to explain the complex morphology of the supernova remnant (SNR) 3C 400.2. Numerical simulations were done employing the new yguazú-a code (Raga et al. 2000). In the radio continuum, this remnant seems to be formed by two shells, which are partially overlapping (\cite{dubner94}). Taking into account observational evide nce such as a previous HI study (\cite{giacani98}), we find that an adequate model for describing the morphology of the SNR 3C 400.2 is obtained by assuming that a single supernova (SN) explosion took place in a dense medium and close to an interface separating this medium from a lower density region. Besides, we also present a new deeper CCD Hα image mosaic of the north-west region of this SNR, which is composed of three single images. From the numerical results, we generated Hα emission maps, obtaining a good agreement with the observations.

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